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package getopt
type stringVal string
func (s *stringVal) String() string {
return string(*s)
}
func (s *stringVal) Set(val string) error {
*s = stringVal(val)
return nil
}
// StringVar defines a string flag with specified name, default value,
// and usage string. The argument p points to a string variable in which
// to store the value of the flag.
func (set *FlagSet) StringVar(p *string, name string, value string, usage string) {
*p = value
set.Var((*stringVal)(p), name, usage)
}
// String defines a string flag with specified name, default value, and
// usage string. The return value is the address of a string variable
// that stores the value of the flag.
func (set *FlagSet) String(name string, value string, usage string) *string {
var s string
set.StringVar(&s, name, value, usage)
return &s
}
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